<template>
  <div v-show="showFlag" class="food" transition="move" v-el:food>
    <div class="food-content">
      <div class="image-header">
        <img :src="food.image">
        <div class="back" @click="hide">
          <i class="icon-arrow_lift" ></i>
        </div>
      </div>
      <div class="content">
        <h1 class="title">{{food.name}}</h1>
        <div class="food-detail">
          <span class="sell-count">月售{{food.sellCount}}份</span>
          <span class="rating">好评率{{food.rating}}</span>
        </div>
        <div class="price">
          <span class="now">￥{{food.price}}</span>
          <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
        </div>
        <div class="cartcontrol-wrapper">
          <cartcontrol :food="food"></cartcontrol>
        </div>
        <div @click.stop.prevent="addFirst($event)" class="buy" v-show="!food.count || food.count===0" transition="fade">
          加入购物车</div>
      </div>
      <split v-show="food.info"></split>
      <div class="info" v-show="food.info">
        <h1 class="title">商品信息</h1>
        <p class="text">{{food.info}}</p>
      </div>
      <split ></split>
      <div class="rating">
        <h1 class="title">商品评价</h1>
        <ratingselect :select-type="selectType" :only-content="onlyContent" :desc="desc" :ratings="food.ratings"></ratingselect>
        <div class="rating-wrapper">
          <ul v-show="food.ratings && food.ratings.length">
            <li v-show="needShow(rating.rateType,rating.text)" v-for="rating in food.ratings" class="rating-item border-1px">
              <div class="user">
                <span class="name">{{rating.username}}</span>
                <img  class="avatar" width="12" height="12" :src="rating.avatar">
              </div>
              <span class="time">{{rating.rateTime | formatDate}}</span>
              <p class="text">
                <span :class="{'icon-thumb_up':rating.rateType===0,'icon-thumb_down':rating.rateType===1}"></span>{{rating.text}}
              </p>
            </li>
          </ul>
          <div class="no-rating" v-show="!food.ratings || !food.ratings.length">暂无评价</div>
        </div>
      </div>

    </div>
  </div>
</template>

<script type="text/ecmascript-6">
  import BScroll from 'better-scroll';
  import Vue from 'vue';
  import {formatDate} from 'common/js/date';
  import cartcontrol from 'components/cartcontrol/cartcontrol';
  import ratingselect from 'components/ratingselect/ratingselect';
  import split from 'components/split/split';

  const All = 2;

  export default {
    props: {
      food: {
        type: Object
      }
    },
    data() {
      return {
        showFlag: false,
        selectType: All,
        onlyContent: true,
        desc: {
          all: '全部',
          positive: '推荐',
          negative: '吐槽'
        }
      };
    },
    methods: {
      show() {
        this.showFlag = true;
        this.selectType = All;
        this.onlyContent = true;
        this.$nextTick(() => {
          if (!this.scroll) {
            this.scroll = new BScroll(this.$els.food, {
              click: true
            });
          } else {
            this.scroll.refresh();
          }
        });
      },
      hide() {
        this.showFlag = false;
      },
      addFirst(event) {
        if (!event._constructed) {
          return;
        }
        this.$dispatch('cart.add', event.target);
        Vue.set(this.food, 'count', 1);
      },
      needShow(type, text) {
        if (this.onlyContent && !text) {
            return false;
        }
        if (this.selectType === All) {
            return true;
        } else {
            return type === this.selectType;
        }
      }
    },
    filters: {
      formatDate(time) {
          let date = new Date(time);
          return formatDate(date, 'yyyy-MM-dd hh:mm');
      }
    },
    events: {
      'ratingtype.select'(type) {
          this.selectType = type;
          this.$nextTick(() => {
            this.scroll.refresh();
          });
      },
      'content.toggle'(onlyContent) {
          this.onlyContent = onlyContent;
          this.$nextTick(() => {
            this.scroll.refresh();
          });
      }
    },
    components: {
      cartcontrol,
      split,
      ratingselect
    }
  };
</script>

<style lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/mixin.styl"

  .food
    position :fixed
    left :0
    top :0
    bottom :48px
    z-index :30
    width :100%
    background :#fff
    &.move-transition
      transition :all 0.2s linear
      transform :translate3d(0,0,0)
    &.move-enter,&.move-leave
      transform :translate3d(100%,0,0)
    .image-header
      position :relative
      width :100%
      height :0
      padding-top :100%
      img
        position :absolute
        top :0
        left :0
        width :100%
        height :100%
      .back
        position :absolute
        top :10px
        left :0
        .icon-arrow_lift
          display :block
          padding :10px
          font-size :20px
          color :#fff
    .content
      position :relative
      padding :18px
      .title
        line-height :14px
        margin-bottom :8px
        font-size :14px
        font-weight :700
        color :rbg(7,17,27)
      .food-detail
        margin-bottom :18px
        line-height :10px
        font-size :0
        .sell-count,.rating
          font-size :10px
          color :rgb(147,153,159)
        .rating
          margin-left :12px
      .price
        font-weight :700
        line-height :24px
        .now
          margin-right :8px
          font-size :14px
          color :rgb(240,20,20)
        .old
          text-decoration :line-through
          font-size :10px
          color :rgb(240,20,20)

      .cartcontrol-wrapper
        position :absolute
        right :12px
        bottom :12px
      .buy
        position :absolute
        right :18px
        bottom :18px
        z-index :10
        line-height :24px
        padding :0 12px
        box-sizing :border-box
        border-radius :12px
        font-size :10px
        color :#fff
        background :rgb(0, 160, 220)
        &.fade-transition
          transition :all 0.2s
          opacity :1
        &.fade-entry,&.fade-leave
          opacity :0

    .info
      padding :18px
      .title
        line-height :14px
        margin-bottom :6px
        font-size :14px
        color :rgb(7,17,27)
        text-align :center
      .text
        line-height :24px
        padding :0 8px
        font-size :12px
        color :rgb(77,85,93)
    .rating
      padding-top :18px
      .title
        line-height :14px
        margin-left :18px
        font-size :14px
        color :rgb(7,17,27)
      .rating-wrapper
        padding :0 18px
        .rating-item
          position :relative
          padding :16px 0
          border-1px(rgba(7, 17, 27, 0.1))
          .user
            position :absolute
            right :0
            top :16px
            line-height :12px
            font-size :0
            .name
              display :inline-block
              vertical-align :top
              margin-right :6px
              font-size :10px
              color :rgb(147,153,159)
            .avatar
              border-radius :50%

          .time
            margin-bottom :6px
            line-height :12px
            font-size :10px
            color :rgb(147,153,159)
          .text
            line-height :16px
            font-size :12px
            color :rgb(7,17,27)
            .icon-thumb_up,icon-thumb_down
              margin-right :4px
              line-height :16px
              font-size :12px
            .icon-thumb_up
              color :rgb(0,160,220)
            .icon-thumb_down
              color :rgb(147,153,159)

        .no-rating
          padding :16px 0
          font-size :12px
          color :rgb(147,153,159)
</style>
